Fitbit Charge Wireless Activity Wristband - Assorted SizesEnergize your day with Chargean advanced activity wristband that tracks your steps taken, distance traveled, calories burned, floors climbed and active minutes. Stay connected throughout the day with real time fitness stats and Caller ID on the OLED display. And when the day is done, automatically monitor your sleep and set a silent, vibrating alarm. Whether youre at the office or on the go, Charge wirelessly syncs your stats to your smartphone and